Player Page

Nkosi, S (Sibahlesonke)
Dob: 2011/09/16 (U14)
Gender: Female
Chess SA id: 2110118136
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/05/18 (29 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1394.3
Current Weighted rating1181.3
Current Weighted performance1386.9
Current official/published rating (highest between Raw, WR and WP)1394.3
Current highest rating achieved1394.3
Current floor (min rating allowed)894.3
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±125.7
Current Raw change used (final)0.0
Projected new Raw rating1394.3
Projected new Weighed rating1087.4
Projected new Weighted performance1386.9
Projected new final Raw rating (if new WP > new Raw)1394.3
Projected new highest rating1394.3
Projected new floor894.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1394.3
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1394.5
Current Weighted rating1176.2
Current Weighted performance1386.9
Current official/published rating (highest between Raw, WR and WP)1394.5
Current highest rating achieved1394.5
Current floor (min rating allowed)894.5
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±125.7
Current Raw change used (final)0.0
Projected new Raw rating1394.5
Projected new Weighed rating1082.8
Projected new Weighted performance1386.9
Projected new final Raw rating (if new WP > new Raw)1394.5
Projected new highest rating1394.5
Projected new floor894.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1394.5
Projected effective change (new Official - current Official)=0.0
s
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Siyavuma Primary Open 2024 (Junior) 2024/05/18 2024/05/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 5.0 1236.6 1247.2 Analysis
2 D14 Schools Individuals 2024 (U13 Girls) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1236.6 1247.2 Analysis
1 Mojazo Schools Cluster 2024 (U13) 2024/04/12 2024/04/12 West Rand (GWR) Standard 60 0.83 5 5 5.0 1148.3 1140.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 Siyavuma Primary Open 2024 (Junior) 2024/05/18 2024/05/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 5.0 1236.6 1247.2 Analysis
7 D14 Schools Individuals 2024 (U13 Girls) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1236.6 1247.2 Analysis
6 Mojazo Schools Cluster 2024 (U13) 2024/04/12 2024/04/12 West Rand (GWR) Standard 60 0.83 5 5 5.0 1148.3 1140.0 Analysis
5 2023 Gauteng Top Schools (U13 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 1.0 1170.5 1166.4 Analysis
4 Mojazo Cluster Schools Individuals 2023 (U13 Girls) 2023/04/21 2023/04/21 Johannesburg Metro (GJM) Standard 60 0.83 5 4 2.0 1169.5 1164.8 Analysis
3 2022 Gauteng Schools Team Championships (U13 Girls) 2022/08/27 2022/08/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1145.3 1133.6 Analysis
2 2022 Gauteng Schools Individual Chess Championship (U11 Girls) 2022/06/18 2022/06/18 Ekurhuleni (GE) Standard 60 0.83 5 4 1.0 1187.1 1184.0 Analysis
1 2019 Gauteng School League Finals (U9 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 13 0 2 13.0 86.7 311.7 1198.9 1510.6
White 8 6 0 2 6.0 75.0 212.5 1185.5 1398.0
Black 7 7 0 0 7.0 100.0 425.0 1214.3 1639.3
Standard All 15 13 0 2 13.0 86.7 311.7 1198.9 1510.6
White 8 6 0 2 6.0 75.0 212.5 1185.5 1398.0
Black 7 7 0 0 7.0 100.0 425.0 1214.3 1639.3
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 38 22 0 16 22.0 57.9 67.1 1206.1 1273.2
White 20 10 0 10 10.0 50.0 0.0 1198.4 1198.4
Black 18 12 0 6 12.0 66.7 141.7 1214.6 1356.2
Standard All 38 22 0 16 22.0 57.9 67.1 1206.1 1273.2
White 20 10 0 10 10.0 50.0 0.0 1198.4 1198.4
Black 18 12 0 6 12.0 66.7 141.7 1214.6 1356.2
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1100118187 Mlondleni, SG (Siyabonga Gift) 1 1.0 1 0 0 100.0 1170.5 425.0 1595.5 View list
2 1110302400 Mkhwanazi, L (Lindokuhle Njabulo) 1 1.0 1 0 0 100.0 1148.3 425.0 1573.3 View list
3 1140145708 Mkhize, S (Sibongimpilo) 1 1.0 1 0 0 100.0 1236.6 425.0 1661.6 View list
4 2110303857 Matela, R (Reitumetse) 1 1.0 1 0 0 100.0 1236.6 425.0 1661.6 View list
5 2110303856 Malope, K (Kutloano Kemang) 1 1.0 1 0 0 100.0 1236.6 425.0 1661.6 View list
6 2090145831 Makgeta, L (Letlhogonolo) 1 1.0 1 0 0 100.0 1145.3 425.0 1570.3 View list
7 1110154072 Majola, Z (Zamokuhle) 1 1.0 1 0 0 100.0 1148.3 425.0 1573.3 View list
8 2120303854 Magoro, H (Hope) 1 1.0 1 0 0 100.0 1236.6 425.0 1661.6 View list
9 1100113572 Lombaard, M (Michael) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1100302391 Baxter, R (Raphael) 1 1.0 1 0 0 100.0 1148.3 425.0 1573.3 View list
11 2100142895 Kgomo, M (Minenhle) 1 1.0 1 0 0 100.0 1145.3 425.0 1570.3 View list
12 2110145905 Molaudzi, N (Nobuhle) 1 1.0 1 0 0 100.0 1169.5 425.0 1594.5 View list
13 2090145843 Mokoena, L (Lungile) 1 1.0 1 0 0 100.0 1145.3 425.0 1570.3 View list
14 2120143312 Mokgatla, K (Kgomotso) 1 1.0 1 0 0 100.0 1187.1 425.0 1612.1 View list
15 1110145776 Mthembu, C (Celimpilo) 1 1.0 1 0 0 100.0 1148.3 425.0 1573.3 View list
16 211093924 Ncube, K (Konkokuhle) 1 1.0 1 0 0 100.0 1148.3 425.0 1573.3 View list
17 1100118145 Ndlovu, MA (Mzuyanda Allan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 2100145852 Nene, O (Owami) 1 1.0 1 0 0 100.0 1169.5 425.0 1594.5 View list
19 1140145722 Sibulawa, A (Anele) 1 1.0 1 0 0 100.0 1236.6 425.0 1661.6 View list
20 1110143277 Sibulawa, S (Siyanda) 1 1.0 1 0 0 100.0 1236.6 425.0 1661.6 View list